98edo
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Prime factorization
2 × 72
Step size
12.2449¢
Fifth
57\98 (697.959¢)
Semitones (A1:m2)
7:9 (85.71¢ : 110.2¢)
Consistency limit
3
Distinct consistency limit
3
← 97edo | 98edo | 99edo → |
98 equal divisions of the octave (abbreviated 98edo), or 98-tone equal temperament (98tet), 98 equal temperament (98et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 98 equal parts of about 12.2 ¢ each. Each step represents a frequency ratio of 21/98, or the 98 root of 2.
The patent val has a flat 3, a sharp 5 and a slightly flat 7, and tempers out 81/80 in the 5-limit, making it a system of meantone family with a 4-cent-flat fifth. In the 7-limit it tempers out 1029/1024, 1728/1715, supporting mothra temperament, in the 11-limit 176/175 and 540/539, supporting mosura, and in the 13-limit 144/143 and 196/195. It provides the optimal patent val for 13-limit mosura temperament.
Harmonics
Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | absolute (¢) | -4.00 | +5.52 | -1.48 | +4.25 | -0.30 | +4.37 | +1.53 | +5.25 | -3.64 | -5.47 | -3.78 |
relative (%) | -33 | +45 | -12 | +35 | -2 | +36 | +12 | +43 | -30 | -45 | -31 | |
Steps (reduced) |
155 (57) |
228 (32) |
275 (79) |
311 (17) |
339 (45) |
363 (69) |
383 (89) |
401 (9) |
416 (24) |
430 (38) |
443 (51) |
Intervals
Steps | Cents | Ups and downs notation | Approximate ratios |
---|---|---|---|
0 | 0 | D | 1/1 |
1 | 12.2449 | ^D, vEbb | |
2 | 24.4898 | ^^D, Ebb | 78/77 |
3 | 36.7347 | ^3D, v6Eb | 45/44, 49/48 |
4 | 48.9796 | ^4D, v5Eb | 33/32 |
5 | 61.2245 | ^5D, v4Eb | |
6 | 73.4694 | ^6D, v3Eb | |
7 | 85.7143 | D#, vvEb | |
8 | 97.9592 | ^D#, vEb | 55/52 |
9 | 110.204 | ^^D#, Eb | 16/15 |
10 | 122.449 | ^3D#, v6E | 15/14 |
11 | 134.694 | ^4D#, v5E | |
12 | 146.939 | ^5D#, v4E | 12/11, 49/45 |
13 | 159.184 | ^6D#, v3E | 35/32 |
14 | 171.429 | Dx, vvE | |
15 | 183.673 | ^Dx, vE | 39/35, 49/44 |
16 | 195.918 | E | |
17 | 208.163 | ^E, vFb | 44/39 |
18 | 220.408 | ^^E, Fb | |
19 | 232.653 | ^3E, v6F | 8/7 |
20 | 244.898 | ^4E, v5F | 15/13 |
21 | 257.143 | ^5E, v4F | |
22 | 269.388 | ^6E, v3F | 7/6 |
23 | 281.633 | E#, vvF | 33/28 |
24 | 293.878 | ^E#, vF | 13/11 |
25 | 306.122 | F | |
26 | 318.367 | ^F, vGbb | 77/64 |
27 | 330.612 | ^^F, Gbb | |
28 | 342.857 | ^3F, v6Gb | 39/32 |
29 | 355.102 | ^4F, v5Gb | 16/13, 60/49 |
30 | 367.347 | ^5F, v4Gb | |
31 | 379.592 | ^6F, v3Gb | 56/45 |
32 | 391.837 | F#, vvGb | 44/35, 49/39 |
33 | 404.082 | ^F#, vGb | |
34 | 416.327 | ^^F#, Gb | 14/11 |
35 | 428.571 | ^3F#, v6G | 77/60 |
36 | 440.816 | ^4F#, v5G | |
37 | 453.061 | ^5F#, v4G | 13/10 |
38 | 465.306 | ^6F#, v3G | 64/49 |
39 | 477.551 | Fx, vvG | |
40 | 489.796 | ^Fx, vG | |
41 | 502.041 | G | 4/3 |
42 | 514.286 | ^G, vAbb | 35/26, 66/49 |
43 | 526.531 | ^^G, Abb | |
44 | 538.776 | ^3G, v6Ab | 15/11 |
45 | 551.02 | ^4G, v5Ab | 11/8 |
46 | 563.265 | ^5G, v4Ab | |
47 | 575.51 | ^6G, v3Ab | 39/28 |
48 | 587.755 | G#, vvAb | 45/32 |
49 | 600 | ^G#, vAb | 55/39, 78/55 |
50 | 612.245 | ^^G#, Ab | 64/45 |
51 | 624.49 | ^3G#, v6A | 56/39 |
52 | 636.735 | ^4G#, v5A | 75/52 |
53 | 648.98 | ^5G#, v4A | 16/11 |
54 | 661.224 | ^6G#, v3A | 22/15 |
55 | 673.469 | Gx, vvA | |
56 | 685.714 | ^Gx, vA | 49/33, 52/35 |
57 | 697.959 | A | 3/2 |
58 | 710.204 | ^A, vBbb | |
59 | 722.449 | ^^A, Bbb | |
60 | 734.694 | ^3A, v6Bb | 49/32 |
61 | 746.939 | ^4A, v5Bb | 20/13 |
62 | 759.184 | ^5A, v4Bb | |
63 | 771.429 | ^6A, v3Bb | |
64 | 783.673 | A#, vvBb | 11/7 |
65 | 795.918 | ^A#, vBb | |
66 | 808.163 | ^^A#, Bb | 35/22, 78/49 |
67 | 820.408 | ^3A#, v6B | 45/28, 77/48 |
68 | 832.653 | ^4A#, v5B | |
69 | 844.898 | ^5A#, v4B | 13/8, 49/30 |
70 | 857.143 | ^6A#, v3B | 64/39 |
71 | 869.388 | Ax, vvB | |
72 | 881.633 | ^Ax, vB | |
73 | 893.878 | B | |
74 | 906.122 | ^B, vCb | 22/13 |
75 | 918.367 | ^^B, Cb | 56/33 |
76 | 930.612 | ^3B, v6C | 12/7, 77/45 |
77 | 942.857 | ^4B, v5C | |
78 | 955.102 | ^5B, v4C | 26/15 |
79 | 967.347 | ^6B, v3C | 7/4 |
80 | 979.592 | B#, vvC | |
81 | 991.837 | ^B#, vC | 39/22 |
82 | 1004.08 | C | |
83 | 1016.33 | ^C, vDbb | 70/39 |
84 | 1028.57 | ^^C, Dbb | |
85 | 1040.82 | ^3C, v6Db | 64/35 |
86 | 1053.06 | ^4C, v5Db | 11/6 |
87 | 1065.31 | ^5C, v4Db | |
88 | 1077.55 | ^6C, v3Db | 28/15 |
89 | 1089.8 | C#, vvDb | 15/8 |
90 | 1102.04 | ^C#, vDb | |
91 | 1114.29 | ^^C#, Db | |
92 | 1126.53 | ^3C#, v6D | |
93 | 1138.78 | ^4C#, v5D | |
94 | 1151.02 | ^5C#, v4D | 64/33 |
95 | 1163.27 | ^6C#, v3D | |
96 | 1175.51 | Cx, vvD | 77/39 |
97 | 1187.76 | ^Cx, vD | |
98 | 1200 | D | 2/1 |